.c:after{content:"\200B"; display:block; height:0; clear:both;}
.c{*zoom:1;}

ul li {
    list-style: none;
}
.fl{
    float: left;
}
.fr{
    float: right;
}
a{
    text-decoration: none;
}
a:hover,a:focus{
    text-decoration: none;
}
